Crews of two military planes that collided midair near Fort Bragg in December failed to complete visual scans of their flight paths and relied too much on automated anti-collision systems, according to an Air Force investigative report obtained by The Fayetteville Observer.Crews of both planes declared emergencies after the tail of an Army Special Operations C-27J sliced through two propellers on the right wing of a C-130H that was flying above it, according to the report.

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